What does Intelligent Design claim?

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TFT has made a request.

TFT has asked what does ID claim?

Well we can start out with:

What is Intelligent Design?

Intelligent Design is the study of patterns in nature that are best explained as the result of intelligence.-- William A. Dembski

Design theory—also called design or the design argument—is the view that nature shows tangible signs of having been designed by a preexisting intelligence. It has been around, in one form or another, since the time of ancient Greece.

ID is based on three premises and the inference that follows (DeWolf et al., "Darwinism, Design and Public Education", pg. 92):

1) High information content (or specified complexity) and irreducible complexity constitute strong indicators or hallmarks of (past) intelligent design.

2) Biological systems have a high information content (or specified complexity) and utilize subsystems that manifest irreducible complexity.

3) Naturalistic mechanisms or undirected causes do not suffice to explain the origin of information (specified complexity) or irreducible complexity.

4) Therefore, intelligent design constitutes the best explanations for the origin of information and irreducible complexity in biological systems.

IOW ID claims that Complex Specied Information, not Shannon's "mere complexity", is an indicator of agency involvement.

IOW just as archaeologists claim that artifacts require an artist and just as forensic scientists claim a murder requires a murderer, ID claims that CSI requires a designer.

Biological specification always refers to function. An organism is a functional system comprising many functional subsystems. In virtue of their function, these systems embody patterns that are objectively given and can be identified independently of the systems that embody them. Hence these systems are specified in the same sense required by the complexity-specification criterion (see sections 1.3 and 2.5). The specification of organisms can be crashed out in any number of ways. Arno Wouters cashes it out globally in terms of the viability of whole organisms. Michael Behe cashes it out in terms of minimal function of biochemical systems.- Wm. Dembski page 148 of NFL

In the preceding and proceeding paragraphs William Dembski makes it clear that biological specification is CSI- complex specified information.

In the paper "The origin of biological information and the higher taxonomic categories", Stephen C. Meyer wrote:

Dembski (2002) has used the term “complex specified information” (CSI) as a synonym for “specified complexity” to help distinguish functional biological information from mere Shannon information--that is, specified complexity from mere complexity. This review will use this term as well.

So science asks the question:

"How did it come to be this way?" and ID claims that agency involvement was required.