In this video, you will understand the terms Step, Increment, Attempt, Iteration, and Frame in Abaqus.
Long story short, the Step means the analysis procedure you specify to solve the problem. Each step can be broken into smaller parts which are called increments. The increments at which you select results to be written to the output database file are called “frames”.
Watch the video till the end to better understand these terms and also, "Attempt" and "Iteration".

Related blog:
https://caeassistant.com/blog/stepin...

0:00 Intro
0:27 What is Step in Abaqus?
1:34 What does Increment mean in Abaqus?
2:23 What is Increment size?
3:52 Defining "Attempt" and "Iteration"
7:25 Understanding "Frame" in Abaqus