An abbreviation formed from the initial letters of other words and pronounced as a word. Acronyms are often used by texting on WhatsApp or applications like Slack, among others.
AFAIK is an acronym meaning as far as I know. (Por lo que sé / Hasta donde sé……)
You can use it to indicate that you are not absolutely sure of the statement you are about to make or have just made, and you may be wrong.
e.g The former project only lasted a couple of years, AFAIK.
LGTM is an acronym meaning looks good to me, frequently used when reviewing documents
e.g «LGTM once these issues are sorted to your own satisfaction» The benefits of working with great software developers. 🙂