The freedom to have opinions, the freedom to speak those opinions openly. The freedom to speak against something and speak for something. The freedom to say what’s on your mind loud and openly without any restraint. The freedom to vote, think, write and believe in what you want to believe in.
If you are asking what is a stanza, then it is <em>the line structure of the poem.</em> Stanzas can be long or short in a poem. Poems are usually structured and divided in stanzas.