Complex sentence: It might be useful to start by summarizing the common contexts where heritage language learning takes place, and how they differ-what's historically and culturally distinct about learning a heritage language as a child of immigrants versus as a person with indigenous heritage ?
Split into simpler sentences: It might be useful to start by summarizing the common contexts where heritage language learning takes place, and how they differ. What's historically and culturally distinct about, for example, learning a heritage language as a child of immigrants, versus as a person with indigenous heritage?