There are multiple definitions - click on the translation that matches your context.

carta de intenções

substantivo

full

commitment letter

noun

Definitions of commitment letter

a letter in which a lender (=person that provides the loan) sets out the terms on which it is prepared to lend money to the borrower (=person that receives the loan)

Barclays Capital has issued a commitment letter for the US$140 million financing of the development project.