Pak is just poor English, or a homage to the compressed file format extension. If you're supplying in the form of PAK files then keep the work Pak, if you're not then you're simply missing out the letter C.
That said I hate Thru, Nite and Color too... Actually color isn't too bad... The other two are dreadful though.
That said I hate Thru, Nite and Color too... Actually color isn't too bad... The other two are dreadful though.