The phrase "a relatively small piece" is correct and usable in written English.
It can be used when describing something that is not large in size compared to other items or in a specific context.
Example: "In the grand scheme of the project, this is just a relatively small piece of the overall puzzle."
Alternatives: "a fairly minor portion" or "a somewhat limited segment".
"It's a relatively small piece of the overall demand for office space".
"We worked hard to create that sense of privacy on a relatively small piece of property," Mr. Orvedal said.
The restored cuts were a relatively small piece of the overall budget, so county officials were optimistic that the board would accept them.
As a result, the Treasury Department would realize a loss on its TARP investment, though that is a relatively small piece of that program.
"We did our traditional role, and now we're trying to do our best as a relatively small piece of a huge recovery," said Mark W. Everson, the new chief executive of the Red Cross.
"Avaya is a relatively small piece of Lucent's pie, while the long-distance business is a much larger piece of AT&T," said Michael Eggly, co-manager of the Northern Trust Corporation's $85 million Northern Global Communications Fund.
I think it's an unfortunate delay of an important but relatively small piece of the bill, more growing pains of the type I'm sure Medicare had when it got going than anything existential.
Located conceptually in a much broader discussion of aesthetic judgment and teleology, the definition is one relatively small piece of a hugely ambitious philosophical structure that attempts, famously, to account for, and work out the relationships between, scientific knowledge, morality, and religious faith.
"We really have an excellent record, you know, considering the population and biodiversity we support on our relatively small piece of land," said M.F.
Most companies dispute Mr. Silverstein's claim that Travelers, with its relatively small piece of the total insurance coverage, was the "lead" insurer and everyone else agreed to follow suit.
This relatively small piece by him in Manhattan turned heads for months and earned this pic lots of attention via BSA.
