Peripheral

- relating to or situated on the edge or periphery of something.[pɪˈrɪf(ə)r(ə)l]

Core[when it's adj]

- central to the existence or character of someone or something.[kɔː]

Shallow work

- low-energy task

Tackle[v.]

- make determined efforts to deal with (a problem or difficult task). [ˈtakl]

Impetus[ˈɪmpɪtəs, n.]

- the force or energy with which a body moves.

prioritize

- [prʌɪˈɒrɪtʌɪz] - designate or treat (something) as being very or most important.

suppress[səˈprɛs]

- forcibly put an end to.

Induce[ɪnˈdjuːs]

- succeed in persuading or leading (someone) to do something.

Picket[ˈpɪkɪt]

- an individual or group that stands outside an establishment to make a protest

Persuade[pəˈsweɪd]

- induce (someone) to do something through reasoning or argument.

tension

/ˈtɛnʃn/
noun
1.
the state of being stretched tight.
"the parachute keeps the cable under tension as it drops"
Similar:
tightness
tautness
tenseness
rigidity
pull
traction
stress
strain
straining
stretching
tensity
Opposite:
slackness
looseness
2.
mental or emotional strain.
"a mind which is affected by stress or tension cannot think as clearly"