We'll use these details to contact you about your enquiry.
Explain it normally. There is no need to know the technical answer.
Select anything you recognise. It is completely fine if you don't know what some of these are or don't use them at all.
The tools your team uses for email, documents, meetings and communication.
A CRM is simply software used to keep track of customers, enquiries, leads, jobs or sales. If that means nothing to you, just choose “I'm not sure what a CRM is”.
Lots of industries have specialised software. Add anything else your business relies on here.