demnächst
soon
In the near future; soon. It expresses that something will happen shortly, without naming an exact time.
Der neue Supermarkt eröffnet demnächst.
The new supermarket is opening soon.

soon
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soon
In the near future; soon. It expresses that something will happen shortly, without naming an exact time.
Der neue Supermarkt eröffnet demnächst.
The new supermarket is opening soon.

The word is made up of 'dem' and 'nächst' (the superlative of 'nah' (near)). It literally means something like 'at the next' and refers to the next point in time in the future.
Wir werden uns demnächst mit den Details beschäftigen.
We will deal with the details soon.
As an adverb, 'demnächst' (soon) can stand at the beginning of the sentence (position 1) or inside the sentence. If it stands at the beginning, the verb follows directly after it.
Demnächst beginnt der Ausverkauf.
The sale will begin soon.
'Demnächst' (soon) is often used in written announcements, in the news, or in a somewhat more formal context. It often sounds more official than other words with a similar meaning.
Die Ergebnisse der Studie werden demnächst veröffentlicht.
The results of the study will be published soon.
immediate / same
'gleich' and 'demnächst' can both say that something will happen in the future. The difference is how close that point in time is. 'gleich' means: in a very short time, almost immediately. It fits when something will happen in a few seconds or minutes. 'demnächst' means: soon, but the exact time is open. That can be today, tomorrow, or in the next few days. Learners may confuse the words because neither says exactly when something will happen. As a guide: 'gleich' is very soon, while 'demnächst' is only generally soon.

Wir besprechen demnächst, wie wir das Projekt weiter planen.
We will soon discuss how to continue planning the project.
Der Lehrer kommt gleich in die Klasse zurück.
The teacher is coming back to the classroom right away.