A family of Microsoft word processing software products for creating web, email, and print documents.
Using Migration Assistant (Applications>Utilities>Migration Assistant) will copy over all documents and most applications and settings. It's the most reliable way to move from one Mac to another.
If you connect an inexpensive hard disk, you can back up the old Mac with Time Machine. This is also a good way to transfer documents to your new Mac.
If there are a relatively small number of documents still to be transferred, you can upload them to iCloud or OneDrive from the old Mac, then download to the new one.