Organisation Preferences is where you can adjust settings that apply across your organisation.
Features
Several features have to be enabled from Organisation Preferences. E.g.
Contact Numbering
SMS Messaging
Email Messaging
Skills
Contact Flags
Signposting
Referral Pages
Watch the walkthrough
Explanation video: https://www.loom.com/share/f4ac4b1d202241db99b711894f493cef