What is "foreign income" on the federal side of the return?

[TurboTaxLise]

As per the CRA: Foreign income - https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/completing-slips-summaries/fi...

And here is more information on foreign income from the CRA: https://www.canada.ca/en/revenue-agency/search.html?cdn=canada&st=s&num=10&langs=en&st1rt=1&s5bm3ts2...=

From TurboTax Tips: https://turbotax.intuit.ca/tips/?s=foreign+income

Furthermore, if needed:

How do I report foreign income, pension, and other foreign amounts? https://turbotax.community.intuit.ca/replies/2647976