Use 'build on' to imply strengthening what exists, like improving a project further.

Increasing Strength

'Build on' often suggests positive development or adding value to something.

Positive Progress

Think of 'build on' as adding layers to solidify or advance an existing foundation.

In academic contexts, 'build on' refers to furthering research or knowledge.

'Build on' can also mean expanding upon an idea to create more detailed work.

In architecture, 'build on' literally means constructing on a spot of land.

'Build on' specifies where a structure will be erected, often mentioned after.