Drupal 7: Users or content nodes. Where do I put data? -

here few things want data:

1. add data without creating user related it. (as node, maybe)
2. create users related data, whenever needed.
3. enable users edit data related them without affecting else.
4. make data searchable , filterable.

so what's best approach? create many users , add field them data, or create nodes?

and yes beginner in drupal.

your question vague, here general advice.

only create users if users. don't use user entity store general data, unless data fields pertain user.

for example, if need store mailing address of user, add field user object.