Scheme of life

I'm not sure what is meant by "scheme of life", but below you will find some examples of kindred relationship.

"As beautiful as the waterlilies. You too are a waterlily, my waterlily." (pg. 6)

"How she loved her grandmother!" (pg. 153)

"It was long past midnight when she and Sacred Horse walked homeward, hand in hand in the dark." (pg.194)

"This is a real male you have married, don't you know!" (pg. 202)

"You know, she must be some relation to the deer; she cried because I killed it." (pg. 162)