That criterion is much weaker than the free software definition, much weaker also than the official definition of open source.

这个标准比自由软件的定义要弱得多，同样也比开源的定义弱得多。

youdao

Wikipedia has an excellent definition of software.

FORBES: Misconceptions About Software Patents

That will leave plenty of room for future arguments about software patents, which by definition involve a machine called a computer but also may consist entirely of ideas set down in computer code.

FORBES: Bilski May Take Down Business Method Patents With Him

Oracle said the DoJ's definition of the business software market was too narrow, and did not take account of emerging competitive threats from Microsoft and numerous smaller suppliers.

BBC: NEWS | Business | Oracle rustles Microsoft-SAP plan