A student has taken the following notes about elder-led language classes: Notes: - A community language program invited elders to teach weekly classes. - Lessons included vocabulary, songs, and stories connected to local traditions. - Teen participants practiced conversation with elders after class. - Participants reported using more heritage-language phrases at home. The student wants to explain how elder-led classes supported language revitalization. Which choice most effectively uses relevant information from the notes to accomplish this goal?