When a man looks across a street, sees a pretty girl, and waves at her, that's not a rendezvous, that's a passing acquaintance. When he walks across the street and nibbles on her ear, that's a rendezvous! ↗
I think any advocate who is effective has fully acquainted himself or herself with the legislator they are going to meet. Know what committees they are on, what issues they are interested in, all in an effort to build a bridge for communicating with them. ↗