All 6 Uses of

principle
in
Blink, by Malcolm Gladwell

A highly successful CEO like Jack Welch may entitle his memoir Jack: Straight from the Gut, but he then makes it clear that what set him apart wasn't just his gut but carefully worked-out theories of management, systems, and principles as well.†
Chpt 2 *

principles = basic rules or beliefs

Goldman wasn't much interested in physics, but it struck him that some of the same mathematical principles the group was using might be helpful in deciding whether someone was suffering a heart attack.†
Chpt 4

Morris would go on to become a key advisor to Clinton when Clinton became President, and many people came to view his obsession with polling as deeply problematic—as a corruption of the obligation of elected officials to provide leadership and act upon principle.†
Chpt 5

principle = basic rule or belief

Their thinking was that music lovers can thin-slice a new song in a matter of seconds, and there is nothing wrong with that idea in principle.†
Chpt 5

John Gottman, whose research on marriage I wrote about in chapter 1, has collaborated with Ekman for years and uses the principles of FACS in analyzing the emotional states of couples.†
Chpt 6

principles = basic rules or beliefs

Definitions:

(1) (principle)
a basic rule or belief
The exact meaning of principle can depend upon its context. For example:
- "our guiding principles" -- basic moral beliefs that guide decisions and behavior
- "electromagnetic principles" -- rules describing how the world works
- "She lacks principles." -- lacks moral guidelines
- "We agree in principle." -- about important basic beliefs
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

See a comprehensive dictionary for more specialized senses including one in chemistry.