There's even a lesser-known white plumbago. The flowers resemble those of phlox, and the petals are slightly sticky (like Post-It Notes). When trimming the plant-or brushing by it-expect to find little blue flower petals clinging to your skin or clothing.
PS stands for postscript. You can add an after thought right at the end below a letter. It is a statement added after the main body of the piece has been written. In the case of academic writing you should not have a postscript but should include the point in the main body of the text.
For other uses, see Postscript (disambiguation). PostScript (PS) is a computer language for creating vector graphics. It is a dynamically typed, concatenative programming language and was created at Adobe Systems by John Warnock, Charles Geschke, Doug Brotz, Ed Taft and Bill Paxton from 1982 to 1984.