If we record the ground motion at a single location for a range of time, we can measure the time between peaks in the motion, which we call the wave period. Another important term is frequency, which is the inverse of the period, or one divided by the peak-to-peak time between wave crests.
The Universities and Colleges Admissions Service (UCAS) is a UK-based organisation whose main role is to operate the application process for British universities.
Unified communications (UC) refers to the integration of communication tools that help people exchange ideas and do their jobs more effectively. Some communication tools, like IP telephony, presence technology and instant messaging, facilitate synchronous communication.