consider adding little collapsible sections for things that people may not be familiar with.

[erwangranger]

and not be too obtrusive

"I don't know what Parquet files are".

example.

Should be a show/hide, like such

Help me, I don't know what Parquet is

explaining parquet

1. it is a file format
2. it is good for ...
   • one thing
   • another thing

list of potential topics currently skipped

• parquet
• other