As it happens, English is the native language for 99.9% of software. In light of this, there are four very simple rules:
Work in an English interface and completely avoid Cyrillic. It creates problems with file paths.
For the same reason, avoid spaces: replace them with "_".
If you want to move a file up in the list, add the prefix "!_".
For perfectionists: don’t use capital letters.
Naming System
Some time ago, I wrote harmful advice from HR. Here’s an addition. Using a variety of file names like "render1", "235fin", etc., characterizes you as an exceptional specialist!
You can develop your own system, at Gork Studio we form render names according to this principle: