work

activity directed toward making or doing something

she checked several points needing further work

a product produced or accomplished through the effort or activity or agency of a person or thing

it is not regarded as one of his more memorable works

exert oneself by doing mental or physical work for a purpose or out of necessity

I will work hard to improve my grades

be employed

Is your husband working again?

have an effect or outcome; often the one desired or expected

The voting process doesn't work as well as people thought