As nouns the difference between humility and extrovert

is that humility is the characteristic of being humble; humbleness in character and behavior while extrovert is one who is outgoing, sociable and socially confident or concerned with outer affairs.

As an adjective extrovert is

outgoing; sociable; concerned with outer affairs.

As an adjective motivating

is effectively providing an incentive.

As a verb motivating

is .

As a noun null is

zero, nil; the cardinal number before einn.

As nouns the difference between feedback and evaluation

is that feedback is critical assessment on information produced while evaluation is assessment.

As a verb feedback

is (music) to generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.

As adjectives the difference between holistic and symbiotic

is that holistic is related to holism while symbiotic is (biology) of, or relating to symbiosis; living together.

As a noun symbiotic is

(astronomy) symbiotic star.