Is chevron and ripple crochet stitch the same?

The same Crochet techniques will be known by different names. The chevron and Ripple are the same in crochet. Some will call this technique the Zig-Zag. Now there are variations of how deep and how curved the chevron and ripple are with each technique.

If you go to YouTube and search for Chevron, Ripple, and Zig-Zag crochet, you will find the variations that go by Chevron, Ripple, and Zig-Zag , yet the technique is the same.