Annual Percentage Rate

The term annual percentage rate of charge (APR), corresponding sometimes to a nominal APR and sometimes to an effective APR (EAPR), is the interest rate for a whole year (annualized), rather than just a monthly fee/rate, as applied on a loan, mortgage loan, credit card,[4] etc. It is a finance charge expressed as an annual rate.

Laugh Out Loud

LOL is an initialism for laughing out loud and a popular element of Internet slang. It was first used almost exclusively on Usenet, but has since become widespread in other forms of computer-mediated communication and even face-to-face communication. It is one of many initialisms for expressing bodily reactions, in particular laughter, as text, including initialisms for more emphatic expressions of laughter such as LMAO ("laughing my ass off") and ROFL or ROTFL ("rolling on the floor laughing").

High Altitude Observatory

The High Altitude Observatory (HAO) conducts research. It provides support and facilities for the solar-terrestrial physics research community in solar and heliospheric physics, and the effects of solar variability on the Earth's magnetosphere, ionosphere, and upper atmosphere. HAO's mission is to understand the behaviour of the Sun and its impact on the Earth, to support, enhance, and extend the capabilities of the university community and the broader scientific community.