The questions like this are the reason why your first job should be working on large scale very-well maintained projects and not some small startup.
By working on these kind of project you will understand that there is a clear need to have good nomenclature and naming standard for a project and modules which, in many cases, reassemble Hungarian notation (describing method's or variable's purpose, portability, performance implication, etc.).
By working on these kind of project you will understand that there is a clear need to have good nomenclature and naming standard for a project and modules which, in many cases, reassemble Hungarian notation (describing method's or variable's purpose, portability, performance implication, etc.).