It does a good job of explaining, though there's a bit of preamble you can skip.
From the techcrunch.com
Preamble There's some corner of a foreign field that is forever English cricket.
From the guardian.co.uk
Louis Fashion Week by hosting a preamble of sorts featuring his fashion designs.
From the stltoday.com
As big as this game was promoted, it still remains a preamble for what's to come.
From the freep.com
Read the preamble, terms like Liberty and Justice have a cornucopia of meaning.
From the evangelicaloutpost.com
Hollywood is narcissistic enough without having to read all the preamble as well.
From the economist.com
Specifically written into the preamble was an explanation of Tirpitz'Risk theory.
From the en.wikipedia.org
Excuse our preamble, because we're about to tell you who'll win all the Oscars.
From the hecklerspray.com
Adoption of the preamble requires a two-thirds standing vote of the membership.
From the en.wikipedia.org
More examples
Make a preliminary introduction, usually to a formal document
A preamble is an introductory and explanatory statement in a document that explains the document's purpose and underlying philosophy. When applied to the opening paragraphs of a statute, it may recite historical facts pertinent to the subject of the statute. ...
Preamble was the first national anthem of the Federated States of Micronesia. It was adopted in 1979 and replaced in 1991 by Patriots of Micronesia.
In computing a syncword or preamble is used to synchronize data. For example an audio receiver is receiving a bit stream of data. It needs to know where the header information starts. In computing a predefined syncword is used to indicate the start of data. ...
A preamble is a signal used in network communications to synchronize the transmission timing between two or more systems. Proper timing ensures that all systems are interpreting the start of the information transfer correctly. ...
The introductory portion.
In a bill, a statement of purpose or explanation that is inserted between the title and the enacting clause. A preamble in a bill does not become part of an Act, but a court may use it as a tool of statutory construction in ascertaining legislative intent. ...
The part of some bill preceding the main text which states the reasons for its introduction and the ends which it seeks to attain. Preambles are required in all special majority bills.
Capsulution is the owner of a proprietary technology regarding the encapsulation, complexation and formulation of compounds, and related patents, patent applications and proprietary know how ("LBL-Technology"). ...