The phrase "acts as a message" is correct and usable in written English.
You can use it to describe something that conveys information or communicates a specific idea or sentiment.
Example: "The artwork acts as a message about the importance of environmental conservation."
Alternatives: "serves as a message" or "functions as a message."
And it suggested that because the four types of nucleotide sub-unit of which each strand is composed can be arranged in any order, a single strand could act as a message tape telling a cell which proteins to make, and therefore what job to do.As another Francis pointed out four centuries ago, knowledge is power.
By then I was living in New York, and Mary's house had become my base in Boston; she acted as a message center for my friends and me, and her home was a gathering place of drinks and stories, until she decided in her late 80s that she could no longer keep up the house and moved into assisted living.
The paid-for tweet is given high prominence in the Twitter feed of the relevant company but otherwise acts as a normal message and can be retweeted by others.
The micropipelined cache, implemented using C-Elements acts as a distributed message-passing system.
The WHO said the classification should act as a strong message to governments to take action.
This function will then act as a text message sent through the internet to the other users twitter account.
The secondary transmitter, which only broadcasts during the second phase, not only sends its own message but also acts as a relay for the message of the primary users.
If oxygen levels drop, for instance when you hold your breath, the carotid body acts as an alarm, sending a message to the brain, which stimulates a reflex nervous response, increasing the rate of breathing and raising blood pressure.
You can see how that comes in handy for an instant messaging tool, since it basically acts as a replacement for text messages.
