This is the 983rd most frequent Czech word.
týká
Relates to; concerns.
Here, 'týká' conveys that the subject matter discussed has relevance to the mentioned project.
To, o čem mluvil, se týká vašeho projektu.
What he discussed pertains to your project.
In this context, 'týká' is used to express uncertainty about whether the matter is pertinent or relevant to us.
Nevím, zda se to týká i nás.
I don't know if it applies to us as well.
The word 'týká' here indicates that the issue is relevant or applies to all residents.