A thesis or research project takes a long time. Therefore, it is vital that you have the appropriate documents and structure to keep track of your ideas, and structure your meetings. 

(Note that all advise is personal, and your own supervisor may disagree)

Intended for: BSc, MSc, PhD

I highly advise to initialize the below three documents at the start of your thesis, and continuously updated them throughout. 

Meeting slides

Template slides (the comments below each slide indicate how you should use each page)

Overview & Notes

Template document (the comments on each page indicate how you should use them)

Keep an overview document to log your overall thesis progress. The document contains: 

Thesis draft

Plain template document

Nice Latex lay-outs for final thesis: mastersdoctoralthesis and classicthesis