Integration or Integration vs Interface

For the past 5 years or so I have noticed that there is a wide range of opinions on what Integration really means, as it relates to software. In the market there is a lot of confusion, or misunderstanding with integration. and it's ...

For the past 5 years or so I have noticed that there is a wide range of opinions on what Integration really means, as it relates to software. In the market there is a lot of confusion, or misunderstanding with integration. and it's relation, to or not,to, Interfacing. What has been your experience, and for those of you who are at the 'application end' (i.e. 'real world') what is your definition and applicability? Thanks