Presentation graphics software 75 Microsoft PowerPoint (Computer file) 41 Aids and devices 6 Business presentations 6 Computer programs 6 Teaching 6 Graphic methods 4 Computer graphics 3 Business 2 Communication 2 Computer animation 2 Computer networks 2 Computer-assisted instruction 2 Computers and IT 2 Database management 2 Electronic spreadsheets 2 Information visualization 2 Internet in education 2 Multimedia systems in business presentations 2 Oral communication 2 Public speaking 2 Visual communication 2 Wireless communication systems 2