in a piece of writing; in theory (and not in reality)
on paper
untrue or inaccurate
counterfactual
letters or statements about a job applicant from their previous employers
references
believing that you are better or more important than other people
arrogant
unclear; lacking detail
vague
able to persuade somebody that what you think is true
convincing
relaxed; feeling or showing confidence in your own abilities
self-assured
a letter to tell a job applicant that they have not got the job
a rejection (letter)
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