Each META ROLE IN ACTIVITY
| K | must be performed in one and only one META ACTIVITY |
| K | must be played by one and only one META AGENT |
| may be provided by one or more META RESOURCE USAGE |
Meta Model Class Menu
| K | must be performed in one and only one META ACTIVITY |
| K | must be played by one and only one META AGENT |
| may be provided by one or more META RESOURCE USAGE |
