Meanings of little residue in English

My mother's little residue of life must pass in ease and comfort.

A little residue of whatever color they drafted ended up in their eyes.

That little residue of doubt would always remain, along with all the unanswerable questions.

It burns quickly and leaves little residue behind.

Lady B--has ten times the sense of her mother, and a little residue of her folly.

He had, however, a little residue of that discipline which, working in a great industrial organization, begets qualms as to extreme courses.

With an art form as ephemeral as theatre, one that leaves little residue once a performance has ended, the awards lay down a marker.

Carefully cooked and "concentrated", easily digested and "pre-digested" foods contain little residue; every meal should contain some indigestible matter to stimulate the intestines.