This is the 394th most frequent Latvian word.
tie
"Those" (demonstrative pronoun).
Here, "tie" functions as a demonstrative pronoun distinguishing certain items (plural) from those belonging to the speaker.
Tie nav manējie.
Those are not mine.
In this usage, "tie" is the locative case form "tiem" referring to birds (plural), demonstrating spatial or contextual referencing.
Skatieties uz tiem putniem!
Look at those birds!
The word "tie" is used as a demonstrative pronoun referring to individuals (authors) in a plural form.