Somerville is inviting residents to discuss ideas for the renovation of Lincoln Park near Union Square next week. The meeting will be held Wednesday at 6 p.m. and will be hosted by Alderwoman Maryann Heuston and the city’s Parks and Open Space Department in the cafeteria of the Argenziano School, 290 Washington St., next to the park. The city is seeking input about what renovations are needed at Lincoln Park before city staff members develop plans for its long-term needs and priorities. For more information, contact Parks and Open Space director Arn Franzen at 617-625-6600, ext. 2545,or by e-mail at email@example.com.