According to the International Lactation Consultant Association website, an International Board Certified Lactation Consultant (IBCLC) is a healthcare professional that specializes in the clinical management of breastfeeding.
Basically, an ad hoc network is a temporary network connection created for a specific purpose (such as transferring data from one computer to another). If the network is set up for a longer period of time, it is just a plain old local area network (LAN). Cite this definition:
Another type of ad hoc network, the vehicular ad hoc network, involves placing communication devices in cars. Both of these are examples of ad hoc networks that use a large collection of individual devices to freely communicate without a kind of top-down or hierarchical communication structure.