The most important thing to remember about Wordsworth is that he is a Romantic poet (not romantic like love, romantic as in the genre and time period). Romantic artists (authors, painters, etc.) adhered to a certain set of beliefs. Gone is the cold logic of the Age of Reason. Romantics focus on emotional experiences. They also focus on the individual. The Age of Reason was very much focused on the "good of the whole," while Romanticism puts the focus on a single person.
Another characteristic of Romantic art is the emphasis and focus on nature, or Nature. For Romantic authors like Wordsworth, nature isn't only a thing; nature is more akin to an entity. These authors believed that a person can have a deep, emotional relationship with nature, a sort of spiritual oneness in which knowledge, peace, guidance, etc. can all be attained through communing with nature. A last main characteristic of Romantic literature is the theme of carpe diem. The "seize the day" mentality is very important to this literary period. Wordsworth and his writings exemplify this time period's characteristics so well that many textbooks will use Wordsworth to highlight literature/poetry that is typical of the genre.
"Nutting" illustrates Wordworth's adherence to Romantic literature quite nicely. For example:
"When, in the eagerness of boyish hope,I left our cottage-threshold, sallying forthWith a huge wallet o'er my shoulders slung,A nutting-crook in hand; and turned my stepsTow'rd some far-distant wood..."
"I came to one dear nookUnvisited, where not a broken boughDrooped with its withered leaves, ungracious signOf devastation..."
"Among the flowers, and with the flowers I played;A temper known to those, who, after longAnd weary expectation, have been blestWith sudden happiness beyond all hope."
"up I rose, and dragged to earth both branch and bough, with crash and merciless ravage. . ."
"Ere from the mutilated bower I turnedExulting, rich beyond the wealth of kings..."
" . . . for there is a spirit in the woods."