particular - noun

a fact about some part (as opposed to general)

a small part that can be considered separately from the whole

(logic) a proposition that asserts something about some (but not all) members of a class

particular - adjective

• unique or specific to a person or thing or category
• separate and distinct from others of the same group or category
• surpassing what is common or usual or expected
• first and most important
• exacting especially about details
• providing specific details or circumstances

particular - thesaurus

detail   especial   exceptional   finical   finicky   fussy   item   peculiar   picky   special   specific