- PACC - Pre-Authorized Chequing Contributions - owners of ETFs can make regular monthly, quarterly or annual purchases of additional units
- DRIP - Dividend Re-Investment Plan - ETF distributions received are used to buy more units
- SWP - Systematic Withdrawal Plan - ETF units held may be sold on a regular monthly, quarterly or annual schedule
Thanks to Larry MacDonald at Canadian Business for asking the question that prompted me to look into this. You learn something every day.