Update README.md

README.md

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-![spack-stack-logo](https://user-images.githubusercontent.com/8006981/234488735-45b2c5fa-1de6-47ad-ae3b-4a6829ae49b9.png)
-
-Spack-stack enables the installation of software required
-for HPC system deployments of NOAA's Unified Forecast System (UFS) and
-other weather and climate models, including components of the Joint
-Effort for Data assimilation Integration (JEDI).
-
-Spack-stack is a collaborative effort between:
-* [NOAA Environmental Modeling Center (EMC)](https://www.emc.ncep.noaa.gov/emc_new.php)
-* [UCAR Joint Center for Satellite Data Assimilation (JCSDA)](https://www.jcsda.org/)
-* [Earth Prediction Innovation Center (EPIC)](https://epic.noaa.gov/).
-
-Spack-stack is a thin layer around a fork of the
-[spack](https://github.com/spack/spack) repository. Spack is a
-community-supported, multi-platform, Python-based package manager
-originally developed by the Lawrence Livermore National Laboratory
+<img src="https://user-images.githubusercontent.com/8006981/234488735-45b2c5fa-1de6-47ad-ae3b-4a6829ae49b9.png" width="425">
+
+Spack-stack is a framework for installing software libraries to support
+NOAA's Unified Forecast System (UFS) applications and the
+Joint Effort for Data assimilation Integration (JEDI) coupled to
+several Earth system prediction models (MPAS, NEPTUNE, UM, GEOS).
+
+Spack-stack supports installations on a range of R&D and operational platforms.
+It provides a set of installation templates (package lists), default package settings,
+system configurations for a range of [macOS and Linux workstation, HPC, and cloud
+platforms](https://spack-stack.readthedocs.io/en/latest/PreConfiguredSites.html), and Spack extensions, and uses a fork of the
+[Spack repository](https://github.com/spack/spack). [Spack](https://spack.io/) is a
+community-supported, multi-platform package manager
+developed by Lawrence Livermore National Laboratory
 (LLNL). Spack is provided as a submodule to spack-stack so that a
-stable version can be referenced. For more information about spack see
-the [LLNL project page for
-spack](https://computing.llnl.gov/projects/spack-hpc-package-manager)
-and the [spack
-documentation](https://spack.readthedocs.io/en/latest/).
-
-The stack can be installed on a range of platforms, from Linux and
-macOS laptops to HPC systems, and comes pre-configured for many
-systems. Users can install the necessary packages for a particular
-application and later add the missing packages for another application
-without having to rebuild the entire stack.
+stable version can be referenced. For more information about Spack, see
+the [LLNL project page for Spack](https://computing.llnl.gov/projects/spack-hpc-package-manager)
+and the [Spack documentation](https://spack.readthedocs.io/en/latest/).
 
-spack-stack is mainly a collection of Spack configuration files, but
-provides a Spack extension to simplify the installation process:
+**To get started with spack-stack**, either by using an existing
+installation on a [supported platform](https://spack-stack.readthedocs.io/en/latest/PreConfiguredSites.html)
+or by [creating a new installation](https://spack-stack.readthedocs.io/en/latest/CreatingEnvironments.html), see the
+[Getting Started](https://spack-stack.readthedocs.io/en/latest/Overview.html#getting-started) documentation page.
+Full documentation with table of contents can be found at https://spack-stack.readthedocs.io/en/latest/.
 
-- `spack stack create` is provided to copy common, site-specific, and
-  application-specific configuration files into a coherent Spack
-  environment and to create container recipes
-
-- `spack stack setup-meta-modules` creates compiler, MPI and Python
-  meta-modules for a convenient setup of a user environment using
-  modules (lua and tcl)
-
-Documentation for installing and using spack-stack can be found here:
-https://spack-stack.readthedocs.io/en/latest/
-
-spack-stack is maintained by:
-
-- NOAA-EMC: [Alex Richert](https://www.github.com/AlexanderRichert-NOAA), [Hang
-  Lei](https://www.github.com/Hang-Lei-NOAA), [Ed
-  Hartnett](https://www.github.com/edwardhartnett)
-- JCSDA: [Dom Heinzeller](https://www.github.com/climbfuji), [Steve Herbener](https://github.com/srherbener)
-- EPIC: [Cam Book](https://github.com/ulmononian), [Natalie Perlin](https://github.com/natalie-perlin)
+Spack-stack is a collaborative effort between:
+* [NOAA Environmental Modeling Center (EMC)](https://www.emc.ncep.noaa.gov/emc_new.php): [Alex Richert](https://www.github.com/AlexanderRichert-NOAA), [Hang Lei](https://www.github.com/Hang-Lei-NOAA), [Ed Hartnett](https://www.github.com/edwardhartnett)
+* [UCAR Joint Center for Satellite Data Assimilation (JCSDA)](https://www.jcsda.org/): [Dom Heinzeller](https://www.github.com/climbfuji), [Steve Herbener](https://github.com/srherbener)
+* [Earth Prediction Innovation Center (EPIC)](https://epic.noaa.gov/): [Cam Book](https://github.com/ulmononian), [Natalie Perlin](https://github.com/natalie-perlin)
 
 For more information about the organization of the spack-stack
 project, see the [Project Charter](project_charter.md).