Answer:
1 . concordance: an index in which the principal words used in any work are arranged alphabetically
2 . irrelevant: not relating to the subject; not applicable
3 . cursory: hasty; slight; superficial; careless
4 . discretion: the quality of being careful about what one says or does
5 . distract: to draw away, confuse
6 . analytical: in a manner that separates things into constituent parts
Explanation:
Corcordance refers to an alphabetical list of the most important words that are included in a text, and it usually contains quotation of the text.
Irrelevant means that something is not related or pertinent to another thing.
Cursory means hurried and incomplete, not paying attention to details.
Discretion has to do with tactfulness and diplomacy in the sense that it involves prudence and the avoidance of offense.
To distract means to set aside and prevent someone from paying complete attention to something.
Analytical concerns someone or something that uses a systematic, meticulous and logical reasoning.