add/remove links: select a source phrase by clicking on its box, then click on appropriate target phrase (click selected source phrase again to cancel linking)
edit text: double click on text, click outside once to stop editing
add target phrase: click '+' button to add a new phrase
remove target phrase: drag phrase onto red box
reset: click 'reset' button to start from scratch
show recorded data:click 'D' button
TODO
edit text and resize, move (dblclick)
remove objs (move to special field)
add objs ("+" button, far right)
add alignments (click source, then target)
extract data
integrate into MT system
integrate in live system
known issues
text editing is somewhat buggy (hides words while typing)