The first set of characters refers to the time train; the second set to the strike train.
Each train is evaluated whether it is Leavenworth-like or Terry-like. The time train is considered Leavenworth-like if the motion work is driven by an extra wheel on the second arbor. The strike train is considered Leavenworth-like if it contains an auxiliary arbor, driven by the #1 wheel.

The other symbols refer to the winding direction: "c" for clockwise, "cc" for counterclockwise.

Questions the approximate position of the count wheel pinion bridge with respect to the count wheel: below-left "BL" or below "B".

The entries use a clock-hand notation; 12:00 means in the twelve o'clock direction. All movements observed can be catagorized in three groups, as roughly 6:00, 7:00, and 11:00.

The position of the hammer arbor along the lower edge of the movement.

The entries are: 2:00 10:00, 11:00, or 12:00. If the bridge is double footed, then two numbers are given: 2-8:00 or 10-4:00.

Single-ended "S" or double-ended "D";
Brass "B" or Wood "W";
End is square "S" or rounded "R".

Refers to the direction of the count wheel retainer wire. The entries use a clock-hand notation; 12:00 means in the twelve o'clock direction. All movements observed can be categorized in three groups, as roughly 5:00, 6:00, or 7:00.

Wood "W" or Steel "S"; If there are rings or cups around them "Yes", otherwise "No".

Usually located in the upper right corner of the movement, questions whether the cord roller - with respect to the access hole - is above "Abv", below "bel", or none "none".