How does Achievements works?

Hello. I cant uderstand how does some Achievements works.

Loves to chat with users on the site.
To unlock this badge, you need to reply to any conversations for at least 150 times.

So I just need to send 150+ private messages to one or few conversations?

Socializer
Loves socializing with their friends.
To unlock this badge, start a new conversation with 15 friends.

I need to start 1 conversation with 15 friends in it? Or 15 separated conversations?

Gossiper
Nobody can stop them from gossiping!
To unlock this badge, invite more than 10 users into any existing conversation.

I need to invite 10 users to ONE conversation? Or I can invite 10 users to 10 differents conversations?

You really love to leave conversations?
To unlock this badge, leave more than 20 group conversations.

I need to leave any 20 conversations? Or only conversation with 3 and more users?

Friend Seeker
Loves to build new friendships with others.
To unlock this badge, you need to initiate more than 30 friend requests with other users on the site.

I need just initiate more than 30 friend requests? Or also need to be accepted as friend 30 times?

Photogenic
Photo uploader.
To unlock this badge, you need to upload 30 new photos on the site.

I need to have total 30 photos as result? Or need add 30 photos by ONE (single) upload?

Journalist
Loves browsing photos.
To unlock this badge, you need to browse more than 150 photos on the site.

I need to list 150 photos without a break (in one album)? Or I can browse totally 150 photos in differents albums?

Reporter
Very helpful person.
To unlock this badge, you need to report for more than 20 times.

If SuperUser will delete reports in backend, should I start again from 0 to 20?

Search Engine
Loves searching on the site.
To unlock this badge, you need to search for more than 50 times.

I can do it anytime? Search 10 times today and 20 tomorrow?

Story Teller
Loves sharing stories.
To unlock this badge, you need to post at least 30 different story posts.

Realy ANY posts? So if I will navigate to "All videos" section and add 30+ videos, it will create 30+ stream items and I'll get badge?

Thanks.