As we know, in windows phone 8, if we want to turn screen light off with app, we can call windows runtime component by p/invoke. example:
peripherally inserted central catheter (PICC) care, a nursing intervention from the Nursing Interventions Classification (NIC) defined as insertion and maintenance of a peripherally inserted central catheter either midline or centrally located. See also Nursing Interventions Classification.
PIC stands for primary interexchange carrier. Your PIC is the carrier you selected to provide your primary long distance service. From your own telephone, you can access the services of your PIC by dialing a one plus the area code and telephone number of the person you wish to call.IC stands for carrier identification code (CIC). A CIC is a unique numeric code that is assigned to carriers or other entities that access a local exchange carriers' (LEC) network. Since 1983, CICs have been unique three-digit codes (XXX).