Here is the link to a discussion of each of various types.
[varieties of apple]
An important aspect of defense is to disallow non-referencability, because the ability of your rival to impact the situation in a non-referencable manner puts you at their mercy.
[strength of position]
[under the radar]
Here is the link to the Wikipedia article on this topic.
[calculation by hand]
[solving systems of linear equations by hand]
[Ax = b in matrix notation]
Trivial things that have to be done (such as carrying out the trash) are the yeoman version of infinitesimals.
[General Systems Theory]
Extreme monitoring of status is indistinguishable from planning.
Object-level work enables you to weather a storm. Meta-level work (aka organizational work) enables you to avoid a storm.
“To fight and conquer in all our battles is not supreme excellence; supreme excellence consists in breaking the enemy’s resistance without fighting.”
— Sun Tzu, The Art of War
The less space a set of objects takes, the less likely related things are to be neighboring. (colloquially: “The closer things are together, the less neighboring related things will be.”)
Note: This lack of space, or closeness, can consist of restriction to low dimension. For example, a finite graph that is not planar can easily be drawn non-intersectionally in 3-space.
academia: tropic of educator