The phrase "and a key element" is correct and usable in written English.
It can be used to emphasize the importance of a particular component or aspect within a larger context or discussion.
Example: "Effective communication is essential in teamwork, and a key element of this is active listening."
Alternatives: "and a crucial factor" or "and an essential component".
He's dedicated towards its conservation and a key element of that is, he believes, bringing nature to the people.
Bill Russo, who has died aged 74, was an arranger, composer, trombonist and teacher, and a key element in the most creative Stan Kenton orchestras of the 1950s.
An important component of AI, and a key element in the fears it engenders, is the ability of machines to take action on their own without human intervention.
The basic physics of fusion has been known for some time, and a key element of understanding it is quantum tunnelling.
But guns themselves are not incidental to country music; they've been a constant subject of the music and a key element of the genre's attendant life style.
Central to the success of the peace movement and a key element of spirituality about the year 1000 was the cult of the saints and relics.
The Nianbaoyuze mountain range is the epitome of intersections between religion and environment and China and a key element in Searching for Sacred Mountain, the video documentary by filmmakers Gary Marcuse and Shi Lihong that captures one of the most surprising contemporary trends in China.
The Toyota brand's reputation — which had been closely linked to safety and quality and was a key element in the company's success — took a serious battering.
The use of depictions of Jesus is advocated by the leaders of denominations such as Anglicans and Catholics and is a key element of the Eastern Orthodox tradition.
Growth combines aspects of size and Tmet and is a key element in amphibian life-history transitions [ 69, 70].
Silva has provided elegance, creation and world-class talent since his arrival from Valencia and was a key element of their Premier League title triumph last season.
