Plugins in Maven and POM.xml

Question

I just started using Maven and I read that plugins are additional components that can be used.
A typical structure of pom.xml file is

Answer 1

<plugin>should be placed into <plugins> section which should be placed into <build> or <pluginManagement> section. The order of <dependency> or <build> section doesn't matter.

The full reference about pom.xml is here: http://maven.apache.org/pom.html