Here are some of the wordings, also available via download on the exchange.
Claim means:
(ii) a civil proceeding seeking monetary damages, services, or non-monetary or injunctive relief, commenced by the issuance of a notice of action, statement of claim, writ of summons, complaint or similar pleading;
However, this does not apply to all situations, the product wording does not have certain extensions of coverage.
For more extensive information you can download the Wordings PDF documents, available on the Exchange's Professional Liability Product Details page, under the coverage and wordings tab.