Work more precise the "joint" or the "council" … is the amount of effort applied to produce a deliverable or to accomplish a task (a terminal element) or a group of related tasks ….
https://en.wikipedia.org/wiki/Work_(project_management)work
1. a literary, musical, or artistic production
2. something produced by physical or intellectual effort
3. the action for which a person or thing is specially fitted …
4. he active use of energy in producing a result
5. the activity by which one regularly makes a living
6. works plural a building or set of buildings for the manufacturing of goods
https://www.merriam-webster.com/thesaurus/workSee also:
work 1. Physical or mental effort or activity directed toward the production or accomplishment of something: Cleaning the basement was a lot of work. …
2. I met her after work. …
3. begin the day's work. …
etc.
https://www.thefreedictionary.com/work Works are used differently in the context, like:
Earthworks are engineering works created through the processing of parts of the earth's surface involving quantities of soil or unformed rock.
https://en.wikipedia.org/wiki/Earthworks_(engineering)