Name some of the regular features of SERPS.

Google's SERPs can show various elements: the search results themselves (so-called snippets), a knowledge graph, a featured snippet, an answer box, images, shopping results and more. Depending on the type of query and the data Google finds, some of these elements will show up.

Descriptive file name.
Descriptive alt text.
Human-readable URL.
Optimized image size.
Title attribute included.

rich snippets
structured data snippet
FAQ snippet

5 SERP Features You Should Know
1. Featured Snippets
2. Related Questions ("People also ask")
3. Local Packs
4. Knowledge Cards/Panels
5. Rich Snippets

The most common SERP Features are Rich Snippets that add a visual layer to an existing result.