Saturday from 9:30 a.m. to noon at Town Hall, Abacus Architects & Planners will lead a community discussion of planning options for the former Goff property on Bedford Road. The site was purchased by the town last spring after a Town Meeting vote, with the intent of constructing two five-bedroom adult group homes. The discussion will include alternative locations for the homes and possible other uses for the site. Community participation in the discussion is encouraged. Light refreshments will be served. Full story for BostonGlobe.com subscribers.