His Jewel is the Square, a tool used to test true and correct angles thus symbolizing virtue.   The highest ranking of all elected Officers, the Worshipful Master sits in the East of the Lodge room, symbolic of the Rising Sun in the East.   Elected by his brethren, he is seated in this special position to serve their needs.   He directs all of the business of the Lodge and presides over ceremonies and rituals.

His Jewel is the Level, a tool used to prove horizontals symbolizing that all Masons meet on the level, without regard to social standing, political opinions, religious beliefs or status.   The second in command among the elected Officers, the Senior Warden sits in the West of the Lodge room, symbolic of the Setting Sun.   His ancient duties were to pay members their wages and to handle disputes among the workers.   His duties include support for the Worshipful Master and preparing himself for that office the following year.

His Jewel is the Plumb, an instrument used for ascertaining the alignment of vertical surfaces.   It symbolizes upright behavior among Masons.   He sits in the South symbolic of the sun at midday and is responsible for the Brethren while the Lodge is at ease or refreshment.   As an elected Officer, he also may open the lodge if the Master is unable to attend the meeting.   It is the Junior Warden's duty to arrange meals, and, typically, the two Stewards act as his assistants in this capacity.   Symbolically, it is also his duty to make certain that the members do not convert their refreshment into intemperance or excess.

His Jewel is the Square and Compass with the Sun in the center, it signifies that his position is on the right of the Worshipful Master.   Appointed by the Worshipful Master, he does a lot of walking because he is the messenger.   It is his duty to carry orders between the Worshipful Master and the Senior Warden.   He welcomes and escorts visitors and candidates into the Lodge.   During the opening and closing ceremonies, the Senior Deacon opens the Holy Scriptures to the correct passage and closes it when adjourned.   He also lights and extinguishes the candles at the altar and carries the ballot box when new members are being voted upon.

The Jewel of his office is the Square and Compass, however the Junior Deacon's Square and Compass has a moon in the center which signifies that he is in the West.   He sits to the lower right of the Senior Warden to assist by carrying messages from the Senior Warden in the West to the Junior Warden in the South and to guard the inner door of the Lodge.

An appointed officer, the Marshal is the Lodge's Conductor or Master of Ceremonies so his Jewel is the Crossed Batons and he is seated to the left of the Worshipful Master, in front of the Secretary.   The Marshal's principle role is the organization of processions and ensuring the correct precedence and etiquette in formal proceedings.   He formally conducts and introduces visitors into the Lodge.   Appointed by the Worshipful Master, it is his duty to be certain the Tiler is guarding the outer door and only allows visitors to enter after they have been properly vouched for.

His Jewel is the Cornucopia, which signifies the "Horn of Plenty".   It is a horn filled with fruits and vegetables to denote "the fruits of our labors" and represents a job bountifully well done.   The Senior Steward must understudy the Junior Deacon's position and fill in for the Junior Deacon if he is absent and assists with the preparation of Candidates.   His position as an appointed entry Officer is in the South at the right hand of the Junior Warden and typically handles kitchen duties and wait staff for the other members.

His Jewel is also the Cornucopia.   The Junior Steward must understudy the Senior Steward's position and fill in for the Senior Steward if he is absent and also assists with the preparation of Candidates as well.   His position as an appointed entry Officer is in the South at the left hand of the Junior Warden and works with the Senior Steward with kitchen duties.   Both the Senior and Junior Stewards carry rods topped with the jewels of their offices representing England's Lord High Steward's rod in the House of Lords.

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The above Lodge Officers are part of a "Progressive Line", which is sometimes referred to as the Masonic Officer Chairs or "going through the chairs."   This line of succession moves up one position at a time from one year to the next generally requiring seven years to progress from Junior Steward to Worshipful Master.   Only the top three chairs are elected by the Brethren with the rest appointed by the Worshipful Master.

The following Officers below do not usually move in the progressive line.   Many times they have already progressed through all the chairs and choose to serve their lodge in different capacities.   Treasurers and Secretaries are elected and often serve their lodge in these positions for many years because continuity here is vital to a well-run and efficient lodge.

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His Jewel is a Pair of Crossed Keys, signifying that he holds the keys to the cashbox and is the Collector and Distributor of all Lodge Monies.   An elected officer, he sits to the right of the Worshipful Master and behind the Senior Deacon.   The Treasurer is responsible for all financial transactions.   He receives all money, pays all debts by order of the Worshipful Master with the consent of the lodge and renders a report when requested.

His Jewel is the Crossed Quill Pens.   The Secretary is the Lodge's Recorder.   Usually an experienced Brother is elected to this chair, often times he is a Past Master.   Well versed in Grand Lodge By-Laws for his jurisdiction and his Lodge By-Laws, the Secretary's Lodge Officer Duties require a exceptional amount of lodge experience, Masonic knowledge, diplomacy and, above all, detailed paperwork skills.   Seated to the left of the Worshipful Master, the Lodge Secretary is the backbone of any Masonic Lodge as he holds a position of great responsibility.

His Jewel of office is an opened book, symbolizing the Volume of Sacred Law (the Christian Bible, Hebrew Torah or Tanach, the Muslim Qur'an, the Hindu Vedas or other Holy Books).   The Chaplain of a Masonic Lodge is an appointed officer of the Lodge and sits to the left of the Master.   The Chaplain is the spiritual leader of the Lodge and may or may not be a real-world Minister, Priest, Rabbi or Imam,... in the lodge, the Chaplain is responsible for non-denominational prayers at both the opening and closing of meetings, during degree ritual ceremonies and before meals.

His Jewel of office is the single quill pen and signifies that it is his duty to assist the Lodge Secretary in the discharge of the important duties of his office and in his absence or inability, to see them faithfully executed.

His Jewel of office is the Lyre which should continually remind us that as harmony is essential in the liberal art and science which it symbolizes, so should harmony continue to be the strength and support of all societies specially of ours.

His Jewel is the sword, by which he symbolically refuse entrance to anyone who is uninitiated in the craft.   The sword has no scabbard, as it is his symbolic duty to always have his sword drawn, ready for the defense of his post.   The Tiler (or Tyler) of a Masonic lodge is an appointed officer of the lodge and is sometimes known as the "Outer Guard".   He sits outside the closed door of the lodge room armed with the sword.   The Tiler's duties and principal role is to insure that only those who are qualified are allowed to enter the lodge room.   He guards against cowans and eavesdroppers.   After the lodge members are inside the lodge room, the door closes and it is the Tiler's duty to decide whether late arrivals may enter.   It is also his duty to make sure that each visitor is "properly clothed", which means that they must be wearing their masonic apron.