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The Japanese word

展開

is pronounced
tenkai | てんかい
means
develop, expansion (opposite of compression)
Examples:
物語の筋はある島を舞台に展開する。
monogatari no suji wa aru shima o butai ni tenkai suru.
The action of the story takes place on an island.
コピー紙の節約運動が全社的に展開されている。
kopī shi no setsuyaku undō ga zensha teki ni tenkai sa re te iru.
A campaign is underway throughout the company to achieve economy in the use of copying paper.
株主は同社の急速な海外での事業展開を懸念した。
kabunushi wa dōsha no kyūsoku na kaigai de no jigyū tenkai o kenen shi ta.
Shareholders were concerned about the company's swift expansion overseas.
その事件の展開について引き続きお知らせ下さい。
sono jiken no tenkai nitsuite hikitsuzuki oshirase kudasai.
Please keep me informed of the development of the case.
Examples sourced from tatoeba.org