C13 · map-legend
Complete original fiction; no actual learner event
Whole source
An invented path map uses triangles for meeting points.
Own first invitation
Keep your own first idea before this worked sentence. A different source-faithful sentence can fit.
Draw/point/direct/speak/sign/AAC or private blankpaper; writing/reading evidence recorded separately.
Grown-up example · after an own try
Claim to inspect: Every real park uses triangles for meeting points.
Triangles mark meeting points on this invented map.
No provider standard, real route or park review is supplied.
Different next question: Keep the particular map context in the sentence.