That makes sense, my dog uses her tail to communicate too and it's certainly true that we humans have various body parts evolved for one purpose and used as communication tools as well.

这也说得通，我的狗也是用它的尾巴来交流，而且毫无疑问，我们人类也有许多身体部位是为别的目的演化而来，但却被当成交流工具了。

youdao

This means that the protocol used to communicate between the client layer and the API layer, as well as the type of client, play an important role in the application architecture.

这意味着用于在客户端层和api层之间进行通信的协议以及客户端的类型在应用程序体系结构中发挥着重要的作用。

youdao

For example, XML stanzas are used within XMPP to communicate messages (text between IM users) as well as presence information.

例如，在XMPP中使用xml节传递消息(IM用户间的文本)以及到场信息。

youdao