As Coaches/Mentors/Coachees/Mentees you can add to your 'My Resources' section, by clicking on 'Resources' on the top menu, then 'Add to my resources'.
Fill in the fields, then either browse to the document or add the web address (url) of the resource on another website.
Click on 'Save'.
You will then be prompted to give it a Tag to make it easier to search for it.
Start typing relevant words, and the Tags in the system will display.
Select the most relevant Tag(s) and click 'Update'.
Or continue typing to add a different tag if a relevant one is not on the list already.