What is a letter of recomendation?

Answer 1

it is a letter most often written by an employer, to an employee to give to a potential employer to showcase posotive work experience and a background history of what this person is like.

it can also be from someone that is in a management position that a person may have a good rappore with or worked on projects for or has had the opportunity to see their work as well

Answer 2

Start it with your first impression:

I first met/saw _____ at _______ I thought they were ________.

then say how they managed to not only prove your good first impressions right, but excel them!:

they managed to not only make such a good first impression, but then excelled more than I thought possible at/in ___________ (this would be a nice time to list some of the things they're excellent at)

then say how sad you are to see them go, how lucky they are to have them, and how well you know he will do there:

it truly saddens me to see ______ go, but I realise we all must move forward _________, I'm sure from my letter you can tell how lucky you are to have ________, he will be an excellent/the best _________.