skim over the written details

[English Learner]

English Language Tests, Intermediate level

ESL/EFL Test #880 "In a Meeting: Phrasal Verbs", question 8

Chairman: You can also skim ......... the written details on the following pages.

(a) on
(b) aside
(c) over
(d) into

English Language Tests, Intermediate level

ESL/EFL Test #880 "In a Meeting: Phrasal Verbs", answer 8

Chairman: You can also skim over the written details on the following pages.

Correct answer: (c) over

Your answer was: incorrect
Chairman: You can also skim into the written details on the following pages.
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I don't quite understand what the phrase "to skim over" means

[Our Tort System]

To examine something superficially, without going into details/dwelling too much on.
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If it's not easy, don't do it!
That's how I got where I am.