I'm sure it's a great comment but "ICO" doesn't signify. I pretty sure I used to know what it meant, but when I try to retrieve the knowledge, it's like peering

I'm sure it's a great comment but "ICO" doesn't signify. I pretty sure I used to know what it meant, but when I try to retrieve the knowledge, it's like peering through a hazy fog in the moonlight, and the meaning just slips away...