Hey usercaleb,
It is nice to see you here in the Community. To answer your question, ACH stands for Automatic Clearing House. This is a network that transfers money from one bank account to another financial institution over a secured connection. Some examples of ACH transactions or payments are direct deposits, online bill payments, and automatic direct payment to vendors. You can refer to this article to learn more about it, how does it work, and the benefits of this service. Please let me know if you need further clarification or have a question. Simply comment below and my team and I will do our best to assist you.