Basically,
B1Fundamentally.
First of all,
B1Initially.
Next,
B1Subsequently.
After that,
B1Following that.
Finally,
B1Lastly.
What I mean is...
B1My intention is...
To clarify,
B1To make clear.
Make sure that...
B1Ensure that...
Please note that...
B1It is important to remember that...
Keep in mind that...
B1Remember that...
It's important to...
B1It is crucial to...
You should...
B1It is advisable to...
You need to...
B1It is necessary to...
Don't forget to...
B1Remember to...
Remember to...
B1Don't forget to...
The procedure is...
B1The method is...
Here's how to...
B1This is the method for...
Follow these steps:
B1Perform these actions sequentially:
This involves...
B1This includes...
This means...
B1This implies...
As you can see,
B1Observe that,
In other words,
B2To rephrase or clarify something.
To put it simply,
B2To explain something in a concise and easy-to-understand way.
Essentially,
B2In its most basic form.