Palumbo hinted that there could be a unifying concept behind the album.

The existence of a unifying concept allows us to be different in greater measure.

Adaptation is the central unifying concept in behavioural ecology.

The study of evolution is the unifying concept in evolutionary biology.

The opera's unifying concept is the idea of the borderlines between emotional, metaphysical and moral states.

Rather, it is the single unifying concept of modern biology.

Critiques such as those based on the distinction between theory and fact are often leveled against unifying concepts within scientific disciplines.

I explained to her again that it is a unifying concept in life science.

The unifying concept behind this style was the six spires and the sloped roof.

The 8th level, is envisioned as unifying concept to allow to transition between all the lower hypernumber types.