The basic idea of the model structure can be traced back to the so-called focus triplets.

The idea of what has become known as sanatana dharma can be traced back to the puranas.

The idea of a torqued tower at the trade center site can be traced to the days immediately after the attack.

The idea behind the 600-ship navy can be traced back to the Vietnam War.

The idea of this side project can be traced back to the early 2000s, but it was not until 2008 that United Nations took shape.

The idea of chronologies that differ from the conventional chronology can be traced back to at least the early 17th century.

The idea of machine translation may be traced back to the 17th century.

The book was so influential in its day that ideas such as the Boy Scout movement can be traced back to it.

This idea can be traced to an experiment by Claude Shannon's work in information theory.

The general idea can be traced back to Leibniz.