What does hdk mean in text?

Septic System Installation? What does DOMESTIC FAMILY FREE TEXT mean? What is URL of MSN? What do you do if a purchased app will not download? Can I get government assistance if I am deaf and need phone amplifiers? How do you unlock navicomputer in kotor2? What date do you type in to sign up for IMVU? Why does no one answer your questions on this lame site? Why can't i download zip files on chrome? Who is the parent company of the cellular telephone service provider Powertel? What could you feed your pet clams? Transfer from rogers to Fido? Where is limit switch on hot water heater? How do you reset phone lock code on samsung SGH - F480i? Why is the US country code 1? What happens to the human body when you enter space? Where in the UK is telephone area code 02034? Why is your computer telling you out of memory at line 56 when you go into the website tmzcom? How does mifi work with wifi only tablet? Can a unlocked AT and T phone work on sprint?