A guitalele is a hybrid of a classic guitar and a ukulele. It sports a size equal to 1/4 of a classical acoustic guitar, along with all the tonal possibilities of a ukulele.
DTA stands for Digital Transport Adapter. It's an inexpensive and very basic digital cable device that allows you to watch all Limited Basic and Expanded Service channels that were migrated from analog to digital (Usually the first 99 channels). DTAs will not receive premium channels such as HBO, Showtime, etc.
NETA is an education and training organization for fitness professionals. NETA is dedicated to offering cost effective certification programs and continuing education that teach concepts and theories of health and fitness.