April 15, 2015, is the last day to file your 2011 tax return to claim a refund; if you had an extension, your deadline is October 15, 2015.
A slide is a piece of glass on which you put something that you want to examine through a microscope. ...a drop of blood on a slide. A slide is a piece of playground equipment that has a steep slope for children to go down for fun. ...two young children playing on a slide. COBUILD Advanced English Dictionary.
Triplet: Three steps usually done in a down (pli) up (relev), up (relev) sequence. Slide: An undercurve movement that combines a slide (a sliding step in a pli), an elevation and a landing on the other leg. In ballet, this is called a chass.