He worked all night to revise the document.

I was asked to revise this thesis.

He worked all night to revise his thesis.

We are considering a revision of the contract.

My itinerary is long distance.

He is immersed in the study of the light spectrum.

This spectrum is very beautiful.

This machine is used to divide light into a spectrum.

Our teamwork created a synergy that led the project to success.

Kodo is a traditional Japanese art, a ceremony to enjoy the fragrance.