Dear all, I tried the following code for presentation, but not succeeded. It just draw a small circle without frame even "frame=on". The word "here" is colored green but there is no interaction when I click "here". Is there anything wrong in the following code? Thank you. Best regards, Dalyoung \setupinteraction[state=start] \startbuffer[a] draw fullcircle scaled 1cm; \stopbuffer \startbuffer[b] draw fullcircle scaled 2cm; \stopbuffer \startbuffer[c] draw fullcircle scaled 3cm; \stopbuffer \definesymbol[step1][{\processMPbuffer[a]}] \definesymbol[step2][{\processMPbuffer[a,b]}] \definesymbol[step3][{\processMPbuffer[a,b,c]}] \definefieldstack [circles] [step1, step2, step3] [frame= on, offset= 3pt,framecolor=darkyellow,rulethickness=1pt] \starttext \placefigure[here][] {To see the animation, please click \goto{here}[JS(Walk_Field{circles})]} {\fieldstack[circles]} \stoptext