1) You can have a look at our Glossary of Terms: http://usermanual.clarizen.com/#1-2-glossary.
2) Search our User Manual for any keywords and associated icons: http://usermanual.clarizen.com/#home.
3) Hover over an icon that will return a tooltip. See video: http://screencast.com/t/g2awUxWvobW2.
4) Change display format to "Show icon and Value" (Gear icon > Manage). See video: http://screencast.com/t/vUpxi4ED2.
For further clarification, please register for one of our daily Intermediate Q&A webinars (see the link: http://www.clarizen.com/resources/online-demo.html#second ).These are great resources for free consulting with our Customer Success Managers and visual answers to your questions.