The routines within the various workouts all follow the same general format. The exercise name is listed first and links directly to the video library for reference to form. Below the name of the exercise you will find the prescribed number of sets and repetitions
Push Ups 3 x 10 refers to 3 sets of 10 reps in that exercise
When more than one exercise is listed in a line a superset is implied and the lifter would do both exercises in the same set.
Push Ups / Lateral Raise implies doing the prescribed number of repetitions in the Push Up, then immediately going into a Lateral Raise for a given number of reps before resting.
In this example: 3 x 10 x 10 5's the lifter would do 10 Push Ups and 10 Lateral Raises with 5 lb dumbbells then rest.