All these are set up in the templates and favorites. If you notice Arial anywhere, you are missing a font on your system. If there's Arial and you don't notice it, consider getting a job using AutoCAD.
Notes & Labels: Lucida Sans
Dimensions: Tahoma
Drawing Titles and Plan Titles: Times
Drawing Number in Title: Futura
Drawing List: Lucida Sans
Room Name: Times
Sheet Number: Futura
Title Block Data (Except Firm Name): Ocean Sans Std Light
Title Block Firm Name: Times
Project Title (Cover Sheet): Goudy Old Style