The WebTerm simple user interface clearly sets out all the important functions and information you require for your work:
This is where you specify the source and target languages for the search (see here).
You can click the buttons to invoke the following additional WebTerm functions:
Save settings (see here)
Request new terminology (see here)
Search box and navigation panel
This is where you enter the search term and navigate through the search results (see here).
This is where WebTerm displays the search results (see here).
You can also scroll the search results up and down like in a dictionary.