A POTM file is a macro-enabled presentation template created by Microsoft PowerPoint, a program used for creating slide show presentations. It contains default images, slide templates, macros, and formatting. POTM files are used to create multiple .PPTM files with the same formatting and macro settings.
SVG is a markup language, scalable vector graphics, created by World Wide Web Consortium (W3C), designed for describing two-dimensional vector and mixed vector / raster graphics in XML. Supports both and animated, interactive graphics and declarative scripting. Not support the description of three-dimensional objects. The basis of SVG VML formed markup languages and PGML.