How Do You Find That Balance Between Usability and Learning?

Oton ivanovyou talks about creating metaphors that help people visualize abstract code and concepts. How do you find a balance between making things usable for everyone, understandable for everyone, or as many people as possible? "Everything we say almost always has like a metaphorical background to it," he says. Oton: I think i was actually interested in hearing your perspective one this, too"