There is a tool for adding comments on a chart. However, whatever I write, there are periods instead of text. This issue persists on all version of the app.
~/.wine/drive_c/Program Files/ELWAVE 10.0$ wine ELWAVE.exe
0728:fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot
0728:fixme:ntdll:NtQuerySystemInformation info_class SYSTEM_PERFORMANCE_INFORMATION
0728:fixme:msg:ChangeWindowMessageFilter c057 00000001
0728:fixme:msg:ChangeWindowMessageFilter 323 00000001
0728:fixme:msg:ChangeWindowMessageFilter 326 00000001