All known human cultures share these attributes.

[…]

myths

narrative

normal distinguished from abnormal states

nouns

[…]

Oedipus complex

[…]

play

play to perfect skills

poetry/rhetoric

poetic lines characterized by repetition and variation

[…]

pretend play

[…]

A long list. One that surprised me that didn’t get quoted up above was “sucking at a wound”. Huh. (Particularly since I did just that to a cut on my palm this weekend.)