What does the poem a sketch by William Wordsworth mean?

It seems you're asking about a poem called "A Sketch" by William Wordsworth. However, there is no poem with this exact title in the complete works of William Wordsworth.

It's possible you're thinking of a different poem, perhaps one with a similar title or theme.

To help me find the right poem and interpret it, please provide some more information, such as:

* Any lines from the poem you remember.

* The context in which you encountered the poem (e.g., a school assignment, a book of poetry).

* A brief description of the poem's subject matter (e.g., nature, love, death).

Once I have more information, I can help you understand the poem's meaning.