While it's common to use the terms skills and qualifications interchangeably, they have different implications. Qualifications refer to your achievements or accomplishment related to a task or role, while skills are the specific abilities that enable you to complete those tasks.

is that skill is capacity to do something well; technique, ability skills are usually acquired or learned, as opposed to abilities, which are often thought of as innate while qualification is a clause or condition which qualifies something; a modification, a limitation.