When combined with other characters to form a new character, 人 is often turned on its side (see below), in which case you can imagine it as a person bowing

Memory hook Resembles the legs of a walking person.

Combinations

Chinese	literally	English
女人	female person	woman
人人 ⓘWords are sometimes duplicated in Chinese to add emphasis or to generalize, as in the case of 人人. In English this same pattern occurs in "baby talk", for example: night-night, pee-pee, etc. Wikipedia has a good article on reduplication if you want to learn more.	person person	everybody

For future reference: move your mouse over the ⓘ symbol when you see it to read supplemental notes about the adjacent item.

Practice

Chinese	literally	English
女人好	woman good	The woman is ok.
人人好	everybody good	Everybody is fine.

[1] "Together We Win". First World War US propaganda poster by James Montgomery Flag http://commons.wikimedia.org/wiki/File:TogetherWeWinJMFlaggWWI.jpg, detail, under license: Public domain