Delpit and Pratt are teachers who discuss and give examples of heterogeneity communities. By simple definition, a heterogeneity community is a community made up of members different in kind and nature. Contact zones, according to Pratt are, "social spaces where cultures meet, clash, and grapple with each other."
             Delpit's Community is a classroom in Philadelphia where she teaches English to both black and white students. She explains that these students come from very different worlds. They have dissimilar cultures, they are raised diversely, and they use disparate derivatives of "the King's" English. Words that have a particular meaning to one segment of the class often have a completely different meaning to the other. These students grouped together form a heterogeneity community. When they unite in the classroom a contact zone is created and may threaten the ability of the students to realize the teacher's objectives for their learning. Delpit's subject requires that certain objectives are met because there is a right and wrong in proper English. She must aspire to getting these students, regardless of their developed dialects, to speak and write in Standard English.
             In Pratt's example, she needs to make a decision on how she will teach her cultures class in order to convey understanding to the different cultures attending it. Pratt is teaching a course designed to focus on Americans and their multiple cultural histories. Because a diverse population of students is taking this class, a contact zone immediately exists. The class is a crossroad of cultures stemming from the diverse history of the students' ethnic heritages. In this case the contact zone will likely enhance and expedite learning. This is not a subject of rights and wrongs. It is a subject of contrasts and the learners exemplify the subject matter.
             Both Delpit's and Pratt's c
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