What does the deduction method of giving double taxation relief mean?

Tax relief is gained by adding the foreign tax from the foreign income so that the gross amount will be subject to tax in the country of residency.

Tax paid in one country may be allowed as a tax deduction another country. Relief is normally restricted to the lower of the foreign or country of residency tax.

Tax relief is gained by deducting the foreign tax from the foreign income so that only the "net" amount will be subject to tax in the country of residency.

Tax paid in one country may be allowed as a tax credit in another country. Relief is normally restricted to the higher of the foreign or country of residency tax.