Details of a laptop?

I know the question is a bit strange, but I wanted to sell my laptop and was asked if I could give more details.

Unfortunately, I hardly know anything about pc etc and don't know what you have to know and what not.

so what would you like to know when you buy a laptop

Processor
random access memory
Graphics card / chip
Hard disk storage
Screen diagonal
Battery capacity / runtime
Make / model
Age

Manufacturer, model number?

CPU / APU, GPU, memory SSD / HDD (size), CD drive, battery, display

CPU (processor)

RAM (working memory)

Graphics card / graphics processor

Hard disk (SSD or HDD)

Disk space size

Screen size

Battery capacity

Operating system

How old is the device