The concept is expressable in simple terms.

The expressibility of emotions is important in art.

She smiled expressibly, showing her joy.

The expressers at the conference shared their experiences and insights.

She is a talented expresser of emotions.

The art exhibition showcased various expressives.

The expressness of his words left no room for doubt.

The artists' expressivities were evident in their diverse and unique artworks.

The dancers' expressivenesses captivated the audience.

The expressability of the concept was evident in her presentation.