Structure-Function.org

Scapula, Left

1. Acromion
2. Coracoid process
3. Glenoid fossa
1. Glenohumeral joint with head of humerus
4. Scapular notch
5. Subscapular fossa

1. Inferior angle
2. Lateral (axiallary) border
3. Superior border
4. Superior angle
5. Medial (vertebral) border)

Note the broad, triangular-shape of this flat bone defined by angles/borders 1-5.

Feature B, the "crow's beak" helps you determine that you are observing the anterior aspect of this bone and will help you determine its side (left or right) if you recall that marking C faces laterally.