Along with interactive search (C-s forwards, C-r backwards), you can jump to the definition of a symbol (including a function) with ‘M-.’. These would be the id

Along with interactive search (C-s forwards, C-r backwards), you can jump to the definition of a symbol (including a function) with ‘M-.’. These would be the idiomatic ways of moving around. There are multiple ways of maintaining up-to-date symbols depending on your context, which you can look up in the documentation for ‘M-.’.