docs: revise col operations

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

packages/noco-docs/content/en/setup-and-usages/column-operations.md

@@ -5,12 +5,15 @@ position: 530
 category: "Product"
 menuTitle: "Column Operations"
 ---
+
 ## Fields
+
 <img src="https://user-images.githubusercontent.com/86527202/144435795-7156799c-04de-474d-9125-1b15e07acc3d.png" width="60%"/>
 
 ### Re-order Columns  
 
-Column positions can be re-ordered. Open `Fields` menu, and re-order fields as needed by drag/drop `drag icon` 
+Column positions can be re-ordered. Open `Fields` menu, and re-order fields as needed by dragging and dropping the `drag icon`.
+
 <img src="https://user-images.githubusercontent.com/86527202/144435838-8cff72eb-eaa2-4268-9749-213283eb8336.png" width="40%"/>
 
 #### Demo
@@ -20,7 +23,12 @@ Column positions can be re-ordered. Open `Fields` menu, and re-order fields as n
 
 ### Hide/ Unhide Columns  
 
-To hide/Unhide columns, open `Fields` menu, tick checkbox to keep column visible, untick checkbox to remove it from view
+To hide / unhide columns, open `Fields` menu, tick checkbox to keep the column visible, untick checkbox to remove it from the view.
+
+<alert type="success">
+Tip: You can create different grid views with different fields shown in each view.
+</alert>
+
 <img src="https://user-images.githubusercontent.com/86527202/144435852-47f87057-f42f-4691-abbd-9592cde50541.png" width="40%"/>
 
 #### Demo
@@ -30,15 +38,13 @@ To hide/Unhide columns, open `Fields` menu, tick checkbox to keep column visible
 
 ## Sort 
 
-Sorting allows you to order contents alphabetically (A->Z) / (Z->A)  (OR) in ascending/ descending order
-NocoDB allows nested sorting. You can choose column fields & order in which to apply nested sorting.
+Sorting allows you to order contents alphabetically (A -> Z) / (Z -> A)  (OR) in ascending / descending order. NocoDB allows nested sorting. You can choose column fields & order in which to apply nested sorting. Lookup, Formula, Nested Data are also supported in Sorting.
   
   
-<img src="https://user-images.githubusercontent.com/86527202/144435903-84ed8e81-64ec-45e5-a045-9a993238c78c.png" width="60%"/>  
+<img src="https://user-images.githubusercontent.com/86527202/144435903-84ed8e81-64ec-45e5-a045-9a993238c78c.png" width="75%"/>  
 
 <img src="https://user-images.githubusercontent.com/86527202/144435925-67b995a0-da10-45c9-bf54-9edcc63c5644.png" width="75%"/>  
   
-
 #### Demo
 
 <img src="https://github.com/dstala/nocodb-files/blob/2c4ca2ff31460ee5636262e88ba303e2d436ba54/ColumnSort-2.gif?raw=true" width="100%"/>
@@ -46,28 +52,17 @@ NocoDB allows nested sorting. You can choose column fields & order in which to a
 
 ## Filter  
 
-Filters allow you to restrict/organize your data on the view as per your needs.  
-NocoDB allows nested filters. You can choose multiple columns and conditions to apply filter.  
-Between filters, you can opt for either `and` or `or` mode operation.  
+Filters allow you to restrict/organize your data on the view as per your needs. NocoDB allows nested filters. You can choose multiple columns and conditions to apply filter. Between filters, you can opt for either `and` or `or` mode operation. Lookup, Formula, Nested Data are also supported in Filtering.
   
 <img src="https://user-images.githubusercontent.com/86527202/144435944-8498be32-76cb-48d1-883a-8f674f2eb68e.png" width="60%"/>
+
 <img src="https://user-images.githubusercontent.com/86527202/144435955-361238d5-ecda-448e-a6de-a47086aeec6e.png" width="75%"/>
 
 ### Supported filters
-Each filter can be of type as described below
-| Type |
-|---|
-| is equal |
-| is not equal |
-| is like |
-| is not like |
-| is null |
-| is not null |
-| > |
-| < |
-| >= |
-| <= |
+
+Currently we support filter types - `is equal`, `is not equal`, `is like`, `is not like`, `is null`, `is not null` for string fields. We also support filter types - `>`, `<`, `>=`, and `<=` for numeric fields.
 
 #### Demo
+
 <img src="https://github.com/dstala/nocodb-files/blob/2c4ca2ff31460ee5636262e88ba303e2d436ba54/ColumnFilter.gif?raw=true" width="100%"/>
 <!-- img src="https://media4.giphy.com/media/eap5WSJfa05Qk7F3gm/giphy.gif?cid=790b761142dbc95c4f86b23a57fb0a9cb261292a88908e06&rid=giphy.gif&ct=g" width="60%"/ -->