Other Income is line 130 of your tax return. Without knowing more about your specific situation, its hard to say which amount(s) make up that total. However here is the link that describes all the amounts that feed into that line 130.
https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-return/completing-a-tax-return/personal-income/line-130-other-income.html